Hydraulic components for use on mobile equipment machinery are now available in the U.S. They include application-specific hydraulic pumps and motors, hydraulic cylinders, large diameter bearings, planetary gearboxes, and controls.
A standard series of slewing drives is available consisting of eight coaxial planetary gearboxes available with many different gear ratios. They offer dynamic torque ranging from 8000 to 142,000 N-m. Shock absorbers with 275 mm strokes and practically maintenance-free cylinders for mining vehicles are offered.
Liebherr Components North America